Design and Analysis of Even-Positioned Cavity - Based Optical Amplification Device in Dielectric Metasurface

Abstract

Recently, the development in the field of optical technology is exemplary, specifically relating to the design of the components necessary for optical integrated circuits. This research work investigates optical amplification action in a 2D Photonic Crystals (PhCs) structure with variable radius even-positioned PhC-cavity within its lattice. Twooptical signals are used, first acting as data signals coupled into the optical structure using the phenomenon of the Guided-mode-resonances (GMR) and the second one as a pump signal index-guided into the optical structure. The pump signal is used to amplify the data signal and the PhC-cavity is used for spectral tuning of the device operating in near-infrared (NIR) range. The dielectric structure consists of an optical waveguide packed in between the substrate and a cladding layer. The design and analysis of the proposed device is performed in a Finite-Difference-Time-Domain (FDTD) based open-source software package. The investigated results present optical amplifica